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Using the nuclear symmetry energy that has been recently constrained by the isospin diffusion data in intermediate-energy heavy ion collisions, we have studied the transition density and pressure at the inner edge of neutron star crusts,…

Nuclear Theory · Physics 2014-11-20 Jun Xu , Che Ming Ko , Lie-Wen Chen , Bao-an Li , Hong-Ru Ma

Using the equation of state of asymmetric nuclear matter that has been recently constrained by the isospin diffusion data from intermediate-energy heavy ion collisions, we have studied the transition density and pressure at the inner edge…

Nuclear Theory · Physics 2009-12-01 Lie-Wen Chen , Bao-An Li , Hong-Ru Ma , Jun Xu

Within both dynamical and thermodynamical approaches using the equation of state for neutron-rich nuclear matter constrained by the recent isospin diffusion data from heavy-ion reactions in the same sub-saturation density range as the…

Nuclear Theory · Physics 2009-03-15 Jun Xu , Lie-Wen Chen , Bao-An Li , Hong-Ru Ma

We study relationships between properties of collective excitations in finite nuclei and the phase transition density $n_t$ and pressure $P_t$ at the inner edge separating the liquid core and the solid crust of a neutron star. A theoretical…

Nuclear Theory · Physics 2015-06-19 N. Paar , Ch. C. Moustakidis , T. Marketin , D. Vretenar , G. A. Lalazissis

The transition density $\rho_{t}$ and pressure $P_{t}$ at the inner edge separating the liquid core from the solid crust of neutron stars are systematically studied using a modified Gogny (MDI) and 47 popular Skyrme interactions within well…

Solar and Stellar Astrophysics · Physics 2010-01-15 Jun Xu , Lie-Wen Chen , Bao-An Li , Hong-Ru Ma

Using the momentum-dependent MDI effective interaction for nucleons, we have studied the transition density and pressure at the boundary between the inner crust and liquid core of hot neutron stars. We find that their values are larger in…

Nuclear Theory · Physics 2010-05-25 Jun Xu , Lie-Wen Chen , Che Ming Ko , Bao-An Li

We show that the widely used parabolic approximation to the Equation of State (EOS) of asymmetric nuclear matter leads systematically to significantly higher core-crust transition densities and pressures. Using an EOS for neutron-rich…

Nuclear Theory · Physics 2010-03-04 Lie-Wen Chen , Bao-An Li , Hong-Ru Ma , Jun Xu

The crustal fraction of moment of inertia in neutron stars is calculated using $\beta$-equilibrated nuclear matter obtained from density dependent M3Y effective interaction. The transition density, pressure and proton fraction at the inner…

Nuclear Theory · Physics 2017-02-21 Debasis Atta , Somnath Mukhopadhyay , D. N. Basu

We study the influence of core-\textit{crust} transition pressure changes on the general dynamical properties of neutron star configurations. First we study the matching conditions in core-\textit{crust} transition pressure region, where…

General Relativity and Quantum Cosmology · Physics 2013-07-08 L. M. González-Romero , J. L. Blázquez-Salcedo

We systematically study the symmetry energy effects of the transition density $n_{\rm t}$ and the transition pressure $P_{\rm t}$ around the crust-core interface of a neutron star in the framework of the dynamical and the thermodynamical…

Nuclear Theory · Physics 2019-01-23 L. Tsaloukidis , Ch. Margaritis , Ch. C. Moustakidis

The stability of the $\beta$-equilibrated dense nuclear matter is analyzed with respect to the thermodynamic stability conditions. Based on the density dependent M3Y effective nucleon-nucleon interaction, the effects of the nuclear…

Nuclear Theory · Physics 2014-09-05 Debasis Atta , D. N. Basu

The model dependence and the symmetry energy dependence of the core-crust transition properties for the neutron stars are studied using three different families of systematically varied extended relativistic mean field model. Several forces…

Nuclear Theory · Physics 2015-06-23 A. Sulaksono , Naosad Alam , B. K. Agrawal

It has been shown recently that taking into account strong, weak, electromagnetic, and gravitational interactions, and fulfilling the global charge neutrality of the system, a transition layer will happen between the core and crust of…

Solar and Stellar Astrophysics · Physics 2014-03-20 Jorge A. Rueda , Remo Ruffini , Yuan-Bin Wu , She-Sheng Xue

The boundary between the solid crust, assumed to be in complete thermodynamic equilibrium (cold catalyzed matter), and the liquid core of a neutron star is studied using Skyrme SLy effective N-N interactions. An approximate value of the…

Astrophysics · Physics 2009-10-31 F. Douchin , P. Haensel

The possibility to draw links between the isospin properties of nuclei and the structure of compact stars is a stimulating perspective. In order to pursue this objective on a sound basis, the correlations from which such links can be…

Nuclear Theory · Physics 2011-05-23 Camille Ducoin , Jérôme Margueron , Constança Providência , Isaac Vidaña

The nuclear symmetry energy plays an important role in the description of the properties of finite nuclei as well as neutron stars. Especially, for low values of baryon density, the accurate description of the crust-core interface strongly…

Nuclear Theory · Physics 2021-08-20 Ch. Margaritis , P. S. Koliogiannis , A. Kanakis-Pegios , Ch. C. Moustakidis

The slope of the nuclear symmetry energy at saturation density $L$ is pointed out as a crucial quantity to determine the mass and width of neutron-star crusts. This letter clarifies the relation between $L$ and the core-crust transition. We…

Nuclear Theory · Physics 2010-09-08 Camille Ducoin , Jérôme Margueron , Constança Providencia

The symmetry energy effects on the location of the inner edge of neutron star crusts are studied. Three phenomenological models are employed in order to check the accuracy of the well known parabolic approximation of the equation of state…

Nuclear Theory · Physics 2012-06-22 Ch. C. Moustakidis

The mass, radius and crustal fraction of moment of inertia in neutron stars are calculated using $\beta$-equilibrated nuclear matter obtained from Skyrme effective interaction. The transition density, pressure and proton fraction at the…

Nuclear Theory · Physics 2017-07-18 K. Madhuri , D. N. Basu , T. R. Routray , S. P. Pattnaik

The correlations of the crust-core transition density and pressure in neutron stars with the slope of the symmetry energy and the neutron skin thickness are investigated, using different families of relativistic mean field parametrizations…

Nuclear Theory · Physics 2016-04-11 H. Pais , A. Sulaksono , B. K. Agrawal , C. Providência
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